In the early 2000s, the kinds of problems faced by email marketers and the kinds of problems faced by software product teams seemed very far apart. However, over the last few years, I have started tosee a shift in the problems faced by email marketers. Building email programs is becoming more and more like building software. So what are some of the tools that product managers use to buildsoftware that could be useful to marketers? A few come to mind - some of which are already in use by many marketers.